Viewnior is an image viewer with a minimalistic interface that is fast, simple, and light. It supports GIF, fullscreen mode, setting an image as wallpaper, rotation, flipping, and cropping. It is designed with usability in mind.

Crossbow is an image browser and viewer for Mac OS X similar to ACDSee on Windows. Some key features include a thumbnail image browser with preview and an image viewer with a full-screen slideshow. It supports all Core Image file formats including JPEG, GIF, PNG, TIFF, PDF, and raw. It displays image metadata including EXIF, IPTC, and GPS. It can create zip archives. Planned features include batch resize, rotate, convert, and rename, the file operations rename, copy, move, and delete, and copying images from the camera.

vvvP (Virtual Volumes View Photo Edition) catalogs photographs on removable devices and hard disks at the same time. Images can also be arranged in a single virtual filesystem. Each folder of this filesystem can contain images from many disks. The program allows you to view image thumbnails and full images.

Simple Javascript Image Viewer is an easy-to-embed Web based image viewer with which you can zoom using mouse wheel, pan using mouse drag, and preload images. It comes with complete keyboard support and extensions for things such as adding toolbars.

Panorama class is a JavaScript object that displays animated image layers that can scroll at different speeds. This can be used to implement panoramic views where different layers represent different distances from the viewer. The object can also manage the animation of separate image objects that may move with the panoramic images at different speeds.

nomacs is an image viewer that is small, fast, and able to handle the most common image formats including RAW images. It also makes it possible to synchronize multiple viewers on a single computer or via the LAN, which is useful for comparing images and spotting the differences. This is useful for architects who want to see their progress, for example.

ImgView is a simple image viewer for Unix-like systems. It is free from menus and other GUI gadgets, and controlled primarily by the keyboard. It supports the following image file formats: XBM, PBM/PGM/PPM, GIF, JPEG, TIFF, PNG, and PCX. It supports RGB, Gray, and CMYK ICC profiles in JPEG, RGB and Gray ICC profiles in TIFF and PNG, and RGB ICC profiles in GIF.